Anal. Calcd. for C8HeOzS: neut. equiv., 106. Found: neut. equiv., 108.5 (neutral red)., &Mereaptopropionic Acid (IV)(From Sodium Sulfide).-One mole (72 g.) of I was added slowly (thirty minutes to a stirred solution of 1.2 moles (288.5 g. nonahydratej of sodium sulfide in 200 ml. of water with control of the temperature at 15'. Part of the sodium sulfide was undissolved at the start. After several hours the clear solution was acidified with ...
